Allow instance of iterator in addRoutes

AltoRouterTest.php

@@ -18,6 +18,33 @@ class AltoRouterDebug extends AltoRouter{
 
 }
 
+class SimpleTraversable implements Iterator{
+
+	protected $_position = 0;
+
+	protected $_data = array(
+		array('GET', '/foo', 'foo_action', null),
+		array('POST', '/bar', 'bar_action', 'second_route')
+	);
+
+	public function current(){
+		return $this->_data[$this->_position];
+	}
+	public function key(){
+		return $this->_position;
+	}
+	public function next(){
+		++$this->_position;
+	}
+	public function rewind(){
+		$this->_position = 0;
+	}
+	public function valid(){
+		return isset($this->_data[$this->_position]);
+	}
+
+}
+
 /**
  * Generated by PHPUnit_SkeletonGenerator 1.2.1 on 2013-07-14 at 17:47:46.
  */
@@ -65,6 +92,35 @@ class AltoRouterTest extends PHPUnit_Framework_TestCase
 		$this->assertEquals(array($method, $route, $target, 'second_route'), $routes[1]);
 	}
 
+	/**
+	 * @covers AltoRouter::addRoutes
+	 */
+	public function testAddRoutesAcceptsTraverable()
+	{
+		$traversable = new SimpleTraversable();
+		$this->router->addRoutes($traversable);
+		
+		$traversable->rewind();
+		
+		$first = $traversable->current();
+		$traversable->next();
+		$second = $traversable->current();
+		
+		$routes = $this->router->getRoutes();
+		
+		$this->assertEquals($first, $routes[0]);
+		$this->assertEquals($second, $routes[1]);
+	}
+
+	/**
+	 * @covers AltoRouter::addRoutes
+	 * @expectedException Exception
+	 */
+	public function testAddRoutesThrowsExceptionOnInvalidArgument()
+	{
+		$this->router->addRoutes(new stdClass);
+	}
+
 	/**
 	 * @covers AltoRouter::setBasePath
 	 */